Hi there! 👋 I’m a passionate Full-Stack Developer with over 5 years of experience in web development and a proud member of the DevIT team—one of the Top-Rated agencies on Upwork! 🌟 I love turning ideas into amazing digital experiences and collaborating with clients to bring their visions to life. A Little About Me: 💻 Full-Stack Pro 🚀 E-Commerce Wizard 🔗 API Guru 📊 Database Nerd 🤝 Team Player Why Work With Me? I bring a mix of technical expertise, creative problem-solving, and a friendly attitude to every project. I genuinely care about my clients’ success and go the extra mile to ensure everything is just right. Whether it’s a big idea or a tiny tweak, I’m here to help! Let’s create something awesome together! 🚀✨ My expertise: ✅ Front-end: Redux, Redux-thunk, Axios, Axios Retry, js-queue, Lodash.js, Redux-Form, Reselect, Angular 2+, TypeScript, jQuery, Bootstrap, SASS/LESS, CSS3, HTML5, Webpack. ✅ Back-end: PHP, Laravel ✅ JavaScript: React.js, Node.js, Next.js, Vue.js, Angular.js, React Native ✅ CMS: - Shopify (Apps, custom themes, system/API integrations) - WordPress ✅ Server-side: Amazon AWS, Microsoft Azure, Google App Engine, Nginx, Docker ✅ Databases: MongoDB, PostgreSQL, MySQL, Redis, Oracle DB, HBase, Microsoft SQL Server, Sybase. ✅ DevOps: Docker, Kubernetes, Ansible, Bash, AWS (Lambda, DynamoDB, API Gateway, S3, etc.), Ansible, GitLab ✅ API - Google, Facebook, Stripe, PayPal, Different lead API, Twilio API, Cognito, AWS, REST.API, GraphQL, etc. ✅ Payment Gateways - PayPal, Google Checkout, Stripe, Adyen, Sofort, Custom payment gateways, etc. Great experience with: 🔸 Git 🔸 e-commerce; 🔸 payment systems integration (PP, Stripe, Authorize.net and similar); 🔸 Google Maps API (custom design, clusters, routing, radius, speed/time/distances calculation, etc.); 🔸 responsive CRM and dashboards, high-traffic web-projects. So, don’t hesitate to get in touch if you have any related projects 😉

I'm a senior full-stack developer with 7+ years of experience building and scaling web and mobile applications. With over $100K earned on Upwork, I've built a track record of delivering real, measurable results for every client I work with. My core stack spans the JavaScript/TypeScript ecosystem — React, Next.js, Node.js, Express, and NestJS — alongside Rust for performance-critical systems and Flutter for cross-platform mobile apps. I don't just write code; I improve what's already there. For past clients, I've redesigned system architectures to handle growth and optimized API response times by up to 10x. What sets me apart is that I treat every engagement like I'm part of your team, not an outsider passing through. I thrive in long-term partnerships where I can deeply understand your product, spot bottlenecks before they become problems, and push the codebase forward with confidence. Most of my clients started with a single project and kept me on because I became an asset they didn't want to lose. If you're looking for a reliable senior engineer who can own features end-to-end—from database design to pixel-perfect UI—let's talk.

►Certified AWS Data Analytics - Specialty ►Certified Databricks Spark 3.0 Developer ►Reliable on many tasks such as ► Big Data Development ( AWS, Redshift, Apache spark, Apache kafka, Hadoop, Ambari, Apache phoenix, HBase, etc. ) ►Java Web Application Development ( Spring MVC , AngularJS, Mongodb, Dynamodb, MS Sql, Amazon web services aws, ec2-instance, AJAX, JSP , ORACLE , mySql , Postgre, Jquery Etc.) ►Microservices ( Spring boot, Docker, Postgre, Akka, Scala) ►Web Development (Php, css, javascript, etc.) ►Good Communication Skills ►Knowledge on html (php,javascript, and css) ►Knowledge on java programming ►Knowledge on scala ►Web research ►Knowledge on Google Refine ►Knowledge on Googe Spreadsheets ►BigCommerce Data encoder ►Reliable internet connection

As a seasoned software developer, I possess comprehensive technical expertise and deep specialization across diverse fields. 1. Possess in-depth research expertise in blockchain cryptographic principles, including hash functions (SHA2, SHA3, Merkle), digital signatures (ECDSA, Schnorr, multi-signature, aggregate signatures), cryptographic protocols, private/public key and address generation/conversion, and consensus mechanisms (PoW, PoS). 2. Full-stack Web3 development capability: Ethereum: Proficient in smart contract development and optimization using the Hardhat framework (compilation, testing, deployment, Gas analysis). Able to perform reverse engineering of Solidity code using decompilation and disassembly for vulnerability discovery. Solana: Skilled in developing high-quality Rust programs natively and via the Anchor framework, with expertise in multi-approach testing and deployment optimization. DeFi: Extensive experience in DeFi protocols, having developed and deployed multiple DApps. 3. Proficient in the Freqtrade quantitative trading framework, providing end-to-end solutions for strategy optimization, risk management, backtesting analysis, AI-driven predictions, and cluster deployment. 4. Mastery of multiple programming languages (Python, C++, Java, Go, Rust, Assembly, JavaScript, PHP) with a solid mathematical foundation. 我是一个经验丰富的软件开发者，技术全面，在多个领域有深入的研究。 区块链领域 1、精通区块链的密码学原理，哈希函数（SHA2、SHA3、Merkle），数字签名（ECDSA、Schnorr、多重签名、聚合签名），密码协议，私钥、公钥和地址的生成与转换，共识机制（PoW、PoS）等，有深入的研究。 2、具备Web3的全栈开发能力，精通以太坊智能合约的开发与优化，基于Hardhat框架，编译、测试、部署以及Gas消耗分析；能对Solidity程序进行逆向分析，结合反编译和反汇编技术，实现漏洞挖掘。 精通Solana链上的程序开发，能够以原生、Anchor两种方式编写高质量的Rust代码，以多种方式完成代码测试，优化部署方案。精通DeFi协议，开发和部署多个DApp项目； 3、精通量化交易框架Freqtrade，对策略优化、风险管理、回测分析、AI预测、集群部署等，有整套解决方案。 4、精通Python、C++、Java、Go、Rust、汇编、JavaScript、PHP等多种编程语言，有扎实的数学功底。 Film and Gaming Domain 1. Film & Television Production: Proficient in utilizing multiple graphics software (DaVinci Resolve, Nuke, After Effects, Houdini, Blender, ZBrush, Marvelous Designer) to execute full production workflows including modeling, VFX, compositing, editing, and color grading. 2. Game Development: Mastery of game engines: Unreal Engine (UE), Cocos Creator, and Godot. Expertise in diverse game production techniques, including scripting and shader development 影视游戏领域 1、影视：熟练的使用DaVinci、Nuke、AE、Houdini、Blender、Brush、MD等多种图形软件，完成影片的建模、特效、合成、剪辑、调色等多套工序； 2、游戏：精通UE、Cocos，Godot三种游戏引擎，精通各种游戏制作技术，以及相关的编程和着色器开发。 AI Application Domain 1. Machine & Deep Learning Expertise, Conducted in-depth research on core algorithms and mathematical models, including: Decision Trees, Support Vector Machines (SVM), classifiers, Convolutional Neural Networks (CNN), and related architectures. 2. Deep Learning Frameworks, Extensive hands-on development experience with PyTorch and TensorFlow. 3. GPU Acceleration & Optimization, Comprehensive understanding of CUDA, Practical implementation of neural network acceleration frameworks: OpenVINO and TensorRT. 4. Hadoop Ecosystem Proficiency, Familiar with Hadoop core frameworks: Spark, Hive, HBase, and Mahout. 5. Applied AI Domains Specialized in: Speech recognition & synthesis, Image recognition Computer, graphics generation. 人工智能领域 1、对机器学习和深度学习中，主要的算法和数学模型，进行过深入的研究，如：决策树、支持向量机、分类器、卷积神经网络等等； 2、深度学习框架Pytorch、Tensorflow，有丰富的开发和使用经验； 3、对CUDA有深入的理解，使用过神经网络加速框架OpenVino、TensorRT； 4、熟悉Hadoop生态圈，及其主要的框架：Spark、 Hive、HBase、Mahout等； 5、应用领域，主要集中在语音识别与合成，图像识别、图形生成。 Enterprise Application Domain 1. Proficient in Android application development with hands-on experience in researching and compiling Android source code. 2. Frontend Technologies Practical experience with: jQuery, Vue.js, HTML5, and CSS. 3. Technical frameworks used in backend development: Spring, Hibernate, Netty, Apache Nutch, and ThinkPHP. 4. Databases and Web: MySQL, SQL Server, Redis, Servers: Apache Tomcat, JBoss, Nginx. 企业应用领域 1、精通Android应用程序开发，研究并编译过其源码； 2、前端开发用过技术有：Jquery、VUE、HTML5、CSS等； 3、后端开发用过技术框架有：Spring、Hibernate、Netty、Nutch、ThinkPHP等； 4、部署过的服务器和数据库有：MySQL、SqlServer、Redis、Apache、Tomcat、JBoss、Nginx等。

I am a Senior Java Developer with 16 years of experience specializing in building reliable, high-load distributed systems within the healthcare and energy sectors. My expertise spans both monolithic and microservices architectures, and I possess full-stack capabilities, including front-end development. I thrive in collaborative environments, having successfully led development teams and mentored junior developers, fostering a culture of continuous learning and technical excellence. My strong background in cross-functional collaboration with stakeholders ensures that I deliver solutions that meet business needs while maintaining high standards of quality. If you are looking for a seasoned developer who can execute complex projects and drive innovation, let’s discuss how I can contribute to your success.

I am a results-driven Big Data Engineer and Analytics Specialist with a Bachelor’s Degree in Computer Engineering. I specialize in managing the entire data lifecycle: from precise data collection and management to building massive distributed pipelines and analytical dashboards. Whether you need complex infrastructure setup, clean business intelligence reports, or highly accurate high-volume data migration and entry, I ensure consistency, quality, and strict attention to detail. Here is what I bring to your project: • Data Engineering: Designing and managing robust data streams and ETL pipelines using Apache NiFi, Hadoop, and HBase. • Analytics & Visualizations: Building unified tracking tools and interactive dashboards (Next.js, UI engineering) to turn complex data into clear metrics. • Core Data Operations: Highly accurate database administration, Phoenix DB schema management, and precise data migration/entry tasks. I pride myself on clear communication, structured execution, and anticipating roadblocks before they affect your timeline. Let’s connect to discuss how I can streamline your data operations!

Big Data Engineering Lead & Architect with strong experience in designing, building, and scaling enterprise-grade data platforms that enable data-driven decision-making. Specialized in Big Data ecosystems including Hadoop (HDFS, Spark, Hive, Impala, Sqoop, Kafka, Ranger and Apache NiFi), Cloudera, and Microsoft Azure technologies such as HDInsight, Azure Synapse, and Microsoft Fabric, with a proven ability to deliver secure, scalable, and high-performance data architectures. Experienced in leading engineering teams, architecting end-to-end data pipelines, optimizing performance, and enabling analytics and BI through Power BI and Tableau and SAP Business Objects alongside integration with SAP HANA and multiple data sources. Certified Cloudera Hadoop & Spark Developer and Tableau professional, with a strong focus on enterprise data strategy, cloud modernization, and delivering measurable business impact.

I transformed scattered financial data into automated forecasting engines that boosted cash visibility by 30% and cut reporting time from hours to minutes—while architecting ML models that achieved 99.99% accuracy in cybersecurity threat detection across 1M+ daily events. Here’s how I help organizations unlock production-ready machine learning. As a results-driven Data Science and ML professional with expertise in healthcare, finance, and cybersecurity, I architect end-to-end ML solutions that deliver measurable impact. Currently pursuing my MS in Data Science at SUNY Buffalo, I drive innovation through 15+ projects spanning forecasting, anomaly detection, and advanced AI implementations. Core strengths: Production ML Excellence 🎯 Proficient in Python, TensorFlow, PyTorch, and MLOps, I’ve built models achieving 99.9% accuracy in threat detection, 92% precision in medical imaging, and F1 scores of 0.855 in decision support. My automated solutions cut manual processes by 85% and improved forecast accuracy by 25% through time series modeling, deep learning, and LLM integration. End-to-End Pipeline Architecture ⚡ Using Snowflake, Spark, Hadoop, and cloud platforms, I engineered multi-tenant ETL pipelines processing 55M+ records—reducing scoring latency from 10 minutes to under 1, handling 1M+ daily transactions, and sustaining 99.9% API uptime. AI-Powered Business Intelligence 📈 I translate technical complexity into scalable solutions. Highlights: LLM-powered financial insights automating 85% of analysis, anomaly detection auto-scaling to 50 nodes, and dashboards improving forecast accuracy by 18% across 20+ stakeholders. Cross-Domain Innovation 🌟 From CNN-based medical image similarity models processing 1,200+ images to hybrid pricing for 55M+ NYC taxi records, I apply CV, NLP, and ML to challenges in forecasting, risk, cybersecurity, and decision support. Recent highlights: BCNF-normalized database schemas with automated risk scoring, GPT-2-based AI music generation, real-time churn prediction for financial institutions, and research on robust fare prediction with XGBoost, GAT, and TimesNet. Passionate about bridging research and practice, I’ve delivered 15+ AI systems—optimizing supply chains, enhancing fraud detection, and building recommendation engines. My goal: transform data challenges into lasting competitive advantages. 🚀 #DataScience #MachineLearning #MLOps #ArtificialIntelligence

Experienced Backend & Cloud Engineer | SaaS Architect | AI/ML Integration Specialist I'm Deep Santoshwar, a results-driven Software Developer with 2+ years of professional experience specializing in high-traffic backend systems, cloud infrastructure, and scalable SaaS solutions. Currently architecting enterprise platforms at Exhibit BBC Top Gear, I transform complex business requirements into robust, production-ready applications. 💡 Core Expertise: • Backend Development: Node.js, Python, PHP Laravel, Flask, REST APIs, microservices architecture • Cloud & DevOps: AWS (EC2, S3, Lambda, DynamoDB, IAM, VPC, Route 53), GCP, Azure, Docker, Kubernetes, Terraform, Jenkins, CI/CD pipelines • Big Data Technologies: Kafka, Spark, Hadoop, PySpark, Hive, MongoDB, PostgreSQL, MySQL, Cassandra, HBase, Redshift • Web Technologies: React.js, Vite, HTML, CSS, JavaScript, Nginx load balancing • Monitoring & Optimization: Prometheus, Grafana, ELK Stack, log analysis, performance tuning 🚀 Key Achievements: • Architected end-to-end SaaS platform for Exhibit Social managing campaigns for major brands with AI-generated reports and ROI analytics • Achieved 98.8% uptime across production systems through strategic monitoring and load balancing • Reduced deployment time by 40% via optimized CI/CD pipeline implementation • Cut operational costs by 20% through cloud migration and resource optimization • Built scalable eCommerce data pipelines processing high-volume transactions • Engineered voting system for InfluencerX India Fashion Awards handling high-traffic loads • Optimized IoT expenses by 90% through strategic AWS service utilization • Authored 30+ technical articles with 28,000+ views on Geeks for Geeks 🎓 Education & Certifications: • B.Tech in Information Technology - MIT Academy of Engineering (CGPA: 8.55) • AWS Cloud Practitioner Certified • Azure Fundamentals AZ-900 Certified ✨ What Differentiates Me: I combine deep technical expertise with business impact focus. Whether building payment systems, migrating infrastructure to the cloud, or implementing real-time analytics dashboards, I deliver solutions that drive measurable results. My experience spans startups to enterprise clients, handling everything from web scraping systems to comprehensive monitoring infrastructure. Let's build scalable, efficient solutions together!

20+ years experience with infrastructure design, deployment, administration and migration of on-site/hybrid computing environments and applications to use AWS infrastructure and services. Familiarity with Linux and Windows environments.